RE: [MW:9616] PWHT Thickness range

Assuming your PWHT is just stress relieving and no impact required, the range will be 5-50mm

 

From: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of Larry
Sent: Tuesday, February 01, 2011 7:46 AM
To: materials-welding@googlegroups.com
Subject: [MW:9612] PWHT Thickness range

 

Hi There,

 

Welding Code: ASME IX

Construction Code: ASME B31.3

 

Question: On PQR, test coupon was 25WT pipe and subject to PWHT. What would be the thickness range on WPS as per code above.

 

 

Thanks in advance,

 

Larry Zarate